2 826 829 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2793038779724675462303	22	71.2	2020-11-11 15:33:39

ECM

Digits	B1	Curves
25	50000	47 / 280

Estimated T-Level: 20.8 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		IES R.Dieste-I.Larrosa	46E1F3AC13D94965	0
Verified (Factored)	1999-05-16	Filip Verberckmoes	46E1F3AC13D94965	579549
Verified (Factored)	2018-09-09	kkmrkkblmbrbk	46E1F3AC13D94965	1439253

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-11-12	Oliver Kruse	466F3243A2F66893	1	1238616	5	3

History

Date	User	Type	Result
2020-11-12	Tan Loe Joo	CERT	PRP Certification Proof certified good
2020-11-12	Oliver Kruse	C-PRP	M2826829/2793038779724675462303 : 466F3243A2F66893 PRP proof power = 7 PRP: Verified Proof certified good
2020-11-11	nordi	F-ECM	Factor: 2793038779724675462303 / (ECM curve 3, B1=50000, B2=5000000, Sigma=4026739759489232)
2020-01-24	masser	NF-PM1	B1=5000000, B2=200000000, E=12
2019-11-10	masser	NF-PM1	B1=3000000, B2=30000000, E=12
2019-01-03	chuenkit	NF	no factor from 2^67 to 2^68
2018-09-09	kkmrkkblmbrbk	C-LL	46E1F3AC13D94965
2017-10-28	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-03-13	Joss	NF-PM1	B1=361303, B2=3613030, E=6
2016-12-14	Joss	NF-PM1	B1=301086
2016-11-03	Joss	NF-PM1	B1=250905
2016-10-27	Joss	NF-PM1	B1=174240
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-13	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-21	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-21	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-10	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-16	markr	NF	no factor from 2^61 to 2^62
2009-02-13	Sturle Sunde	NF	no factor from 2^60 to 2^61